code: def matmul(g: jit_utils.GraphContext, self, other):
      return bmm(g, self, other)
  
imports: import functools
  import warnings
  import torch
  from torch._C import _onnx
  from torch.onnx import _type_utils, errors, symbolic_helper, symbolic_opset9
  from torch.onnx._internal import jit_utils, registration
label_desc: Use image node_id 10 for calling a global function with example usage: matmul(g, other) and returns: bmm